Always verify the most up-to-date procedures by checking the SUM guide . Always have it on hand while performing the upgrade.
Purpose
This guide describes how to monitor the progress, analyse and resolve errors reported in the ACT_UPG phase in different scenarios during upgrade/update using SUM tool.
REMARK: If you selected Single system mode, the activation will be executed in the ACT_TRANS phase .
Solution
Data Dictionary Activation process overview and monitoring
Analysing errors reported in the ACT_UPG phase
The runtime of the activation phase needs to be optimized
Starting and stopping the shadow instance manually
Troubleshooting shadow instance start problems
FAQ: Frequently asked questions - ACT_UPG phase (Data dictionary activation)